Global Patent Index - EP 1522477 B1

EP 1522477 B1 20060524 - Pneumatic brake booster having a crimped diaphragm

Title (en)

Pneumatic brake booster having a crimped diaphragm

Title (de)

Pneumatischer Bremskraftverstärker mit eingepresstem Membran

Title (fr)

Servomoteur pneumatique d'assistance au freinage comportant un diaphragme serti

Publication

EP 1522477 B1 20060524 (FR)

Application

EP 04023668 A 20041005

Priority

FR 0311695 A 20031006

Abstract (en)

[origin: EP1522477A1] The servomotor has a sealing diaphragm (30) made of an elastomer material and whose periphery is fixed to a casing. A peripheral skirt (28) is provided, in the vicinity of its periphery, with a stamped annular recess (42) defining an internal groove that serves to receive snugly a peripheral bead (46) projecting from a surface of the sealing diaphragm to fix the diaphragm to the skirt.

IPC 8 full level

B60T 13/56 (2006.01); B60T 13/569 (2006.01)

CPC (source: EP US)

B60T 13/569 (2013.01 - EP US)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

EP 1522477 A1 20050413; EP 1522477 B1 20060524; AT E327131 T1 20060615; BR PI0404305 A 20050614; BR PI0404305 B1 20180403; CN 100404338 C 20080723; CN 1636809 A 20050713; DE 602004000971 D1 20060629; DE 602004000971 T2 20070503; ES 2262077 T3 20061116; FR 2860472 A1 20050408; FR 2860472 B1 20060120; JP 2005132351 A 20050526; PL 1522477 T3 20060929; PT 1522477 E 20060929; RU 2004128985 A 20060310; RU 2337021 C2 20081027; US 2005072296 A1 20050407; US 7194946 B2 20070327

DOCDB simple family (application)

EP 04023668 A 20041005; AT 04023668 T 20041005; BR PI0404305 A 20041005; CN 200410010468 A 20041008; DE 602004000971 T 20041005; ES 04023668 T 20041005; FR 0311695 A 20031006; JP 2004292709 A 20041005; PL 04023668 T 20041005; PT 04023668 T 20041005; RU 2004128985 A 20041005; US 95947504 A 20041006